pneumotachograph

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pneu·mo·tach·o·graph

 (no͞o′mə-tăk′ə-grăf′, nyo͞o′-) or pneu·mo·tach·y·graph (-tabreve;k′ē-)
n.
An apparatus for recording the rate of airflow to and from the lungs.

[pneumo- + Greek takhos, speed + -graph.]

pneu′mo·tach′o·graph′ic adj.
pneu′mo·ta·chog′ra·phy (-tə-kŏg′rə-fē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Electronic integration (HPChem Integrating Software, Hewlett Packard, Wilmington, DE) of a pneumotachographic airflow transducer (E for M Co., White Plains, NY) on the expiratory limb provided continuous measurements of tidal volume ([V.sub.T]), respiratory rate, and minute ventilation.